Updated April 9, 2020. U.S. federal government to end funding for COVID-19 testing sites this Friday. African Americans more likely to get COVID-19. What’s next after stay-at-home orders are lifted? Worries about a global “poverty tsunami.” Tweets from the frontlines. More.

This newly discovered fossil is a hugely important find, say scientists. It means that one of our earliest ancestors possibly originated in southern Africa. Read more

John Burroughs – born in 1837 – was one of the 1st nature writers. He said: “I go to nature to be soothed and healed, and to have my senses put in order.”

Behind every government announcement, there is an army of epidemiologists predicting how the virus will spread, and how to beat it. Note that this story doesn’t deal specifically with the University of Washington models released April 5, projecting U.S. infections and deaths from COVID-19 in the coming months. But it does provide insights into how scientists create models.

Scientists have developed a new prototype of nighttime solar cells that can produce electricity at night through a radiative cooling mechanism.

A roundup of information from physicians, scientists and journalists, from March 17 to 23, 2020.

Explore NASA’s online activities, e-books, podcasts and other content.

With no vaccines or treatments, the fight against coronavirus comes down to this behavioral technique. A physician explains how it works.

And 2020’s first Friday the 13th is coming up on March 13. It’ll be exactly 13 weeks after the previous Friday the 13th in December 2019. Zoinks!